| 2805.30 | 000 | Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | 
| 28.06 |  | Hydrogen chloride (hydrochloric acid); chlorosulphuric acid | 
| 2806.10 | 000 | Hydrogen chloride (hydrochloric acid) | 
| 2806.20 | 000 | Chlorosulphuric acid | 
| 2807.00 | 000 | Sulphuric acid; oleum | 
| 2808.00 | 000 | Nitric acid; sulphonitric acids | 
| 28.09 |  | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined | 
| 2809.10 | 000 | Diphosphorus pentaoxide | 
| 2809.20 | 000 | Phosphoric acid and polyphosphoric acids | 
| 28.11 |  | Other inorganic acids and other inorganic oxygen compounds of non-metals | 
| 28.11 |  | Other inorganic acids | 
| 2811.11 | 000 | Hydrogen fluoride (hydrofluoric acid) | 
| 2811.12 | 000 | Hydrogen cyanide (hydrocyanic acid) | 
| 2811.19 |  | Other | 
| 2811.19 | 100 | - Hydrobromic acid | 
| 2811.19 | 900 | - Other | 
| 2811.19 |  | Other inorganic oxygen compounds of non-metals : | 
| 2811.29 |  | Other | 
| 2811.29 |  | 1 Dinitrogen tetroxide and Sulphur dioxide | 
| 2811.29 | 120 | - Sulphur dioxide | 
| 2811.29 | 900 | 2 Other | 
| 2811.29 |  | III.- HALOGEN OR SULPHUR COMPOUNDS OF NON-METALS | 
| 28.12 |  | Halides and halide oxides of non-metals |